254646561 has 8 divisors (see below), whose sum is σ = 365646400. Its totient is φ = 156705552.

The previous prime is 254646527. The next prime is 254646571. The reversal of 254646561 is 165646452.

254646561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 254646561 - 2⁷ = 254646433 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 6529399 = 254646561 / (2 + 5 + 4 + 6 + 4 + 6 + 5 + 6 + 1).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (254646571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3264661 + ... + 3264738.

It is an arithmetic number, because the mean of its divisors is an integer number (45705800).

Almost surely, 2^254646561 is an apocalyptic number.

It is an amenable number.

254646561 is a deficient number, since it is larger than the sum of its proper divisors (110999839).

254646561 is a wasteful number, since it uses less digits than its factorization.

254646561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6529415.

The product of its digits is 172800, while the sum is 39.

The square root of 254646561 is about 15957.6489809746. The cubic root of 254646561 is about 633.8394583675.

The spelling of 254646561 in words is "two hundred fifty-four million, six hundred forty-six thousand, five hundred sixty-one".